def test_three_iterables_with_same_length(self):
list_1 = [1, 2, 3] # an iterable
list_2 = [5, 2, 4] # an iterable
list_3 = [7, 7, 7] # an iterable
generator = my_map(get_total, list_1, list_2, list_3)
expected_list = [13, 11, 14]
self.assertEqual(expected_list, list(generator))
def test_passed_non_iterable(self):
"""
map(func, *iterables) –> map object
test that when iterables contain a non-iterable (i.e. int), my_map raises TypeError
"""
with self.assertRaises(TypeError):
non_iterable = 1 # int is non-iterable
iterator = my_map(lambda x: x**2, non_iterable)
next(iterator)
def test_first_argument_is_not_callable(self):
"""
map(func, *iterables) –> map object
test that when func is not callable, my_map raises TypeError
"""
with self.assertRaises(TypeError):
lst = [1, 2, 3] # not callable
iterator = my_map(lst, lst)
next(iterator)
def test_three_iterables_with_different_lengths(self):
"""
to test that my_map raises StopIteration when the shortest iterable (i.e. list_2) is consumed
"""
list_1 = [1, 2, 3, 4, 5] # an iterable
list_2 = [5, 2, 4] # the shortest iterable
list_3 = [7, 7, 7, 7, 7, 7] # an iterable
generator = my_map(get_total, list_1, list_2, list_3)
expected_list = [13, 11, 14]
self.assertEqual(expected_list, list(generator))
import sys
import my_map
import my_reduce
key_value = dict()
for filename in ['data_2010.txt', 'data_2011.txt', 'data_2012.txt', 'data_2013.txt', 'data_2014.txt', 'data_2015.txt']:
in_file = open(filename, 'r')
key_value_per_file = my_map.my_map(in_file)
for key in key_value_per_file:
if(key in key_value):
key_value[key].append(key_value_per_file[key])
else:
key_value[key]=[key_value_per_file[key]]
reduced = dict()
for key in key_value:
reduced[key] = my_reduce.my_reduce(key_value[key])
for key in reduced:
print(key + ": " + str(reduced[key]))
def test_no_arguments(self):
with self.assertRaises(TypeError):
iterator = my_map()
next(iterator)
def test_one_argument(self):
with self.assertRaises(TypeError):
iterator = my_map(lambda x: x**2)
next(iterator)